package com.example.demoexperiment01;

import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.lang.reflect.Array;
import java.util.Arrays;

@SpringBootApplication
public class DemoExperiment01Application {

    public static void main(String[] args) {
        SpringApplication.run(DemoExperiment01Application.class, args);
    }

    @RestController
    static class TestController{
        @RequestMapping("/")
        public String index(){
            return "你好，spring boot";
        }
    }

    @Bean
    public CommandLineRunner commandLineRunner(ApplicationContext ctx){
        return args -> {
            System.out.println("由Spring Boot注册的所有Bean：");
            String[] beanNames=ctx.getBeanDefinitionNames();
            Arrays.sort(beanNames);
            for(String beannmae : beanNames){
                System.out.println(beannmae);
            }
        };
    }
}
